• new: logarithmic scales (via scale.distr: 3)
• new: uPlot.rangeLog() and uPlot.fmtNum() util funcs
• new: cursor.dataIdx can now transform the hovered idx to a different data idx used for legend display and cursor hover points
• chg: all CSS classes are now prefixed with u-. also, some legend classes got better names
• chg: axis functions now receive axisIdx as an argument
• chg: axis.split option renamed to axis.splits
• fix: saner & more consistent scale padding (ranging) behavior
• demo: log scales
• demo: stepped-line
• demo: wheel-drag x-panning
• demo: latency heatmap
• demo: box & whisker plot
• demo: nearest non-null hover
• various minor perf tweaks and typings fixes